Excavator Coupling Assy 1)Material:Tensile resin 2)Type:E200B 3)ISO9001:2000 Certificate 4)Competitive price,fast delivery Excavator Hydraulic Coupling Rubber AssyDetailed Description 1)Material: Tensile resin2)Type:E200B 12Tooth,E200B 14Tooth,SH160(SH60)140AS,140A,90AS,90A,50AS,50A,30AS,S32S,8A,8AS,16A,16AS,22A,22AS,25A,25AS,25H,28A,28AS,30A,30AS,30H,35H,40H,50H,90H,110H,140H,160H,S25S.3) ...